From 78d9f8e31719798a3eab680095e2a2eb8375441e Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@dropbox.com>
Date: Wed, 8 Feb 2017 15:57:49 -0800
Subject: [PATCH 1/2] Support enum iteration.

Fixes python/mypy#2305.
---
 stdlib/3.4/enum.pyi | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/stdlib/3.4/enum.pyi b/stdlib/3.4/enum.pyi
index 3b97e1be8337..44b7d6c73dea 100644
--- a/stdlib/3.4/enum.pyi
+++ b/stdlib/3.4/enum.pyi
@@ -1,12 +1,14 @@
-# FIXME: Stub incomplete, ommissions include:
-# * the metaclass
-# * _sunder_ methods with their transformations
-
+import abc
 import sys
-from typing import List, Any, TypeVar, Union
+from typing import List, Any, TypeVar, Union, Iterable, Iterator, TypeVar, Generic, Type
+
+_T = TypeVar('_T', bound=Enum)
 
-class Enum:
-    def __new__(cls, value: Any) -> None: ...
+class EnumMeta(abc.ABCMeta, Iterable[Enum]):
+    def __iter__(self: Type[_T]) -> Iterator[_T]: ...  # type: ignore
+
+class Enum(metaclass=EnumMeta):
+    def __new__(cls: Type[_T], value: Any) -> _T: ...
     def __repr__(self) -> str: ...
     def __str__(self) -> str: ...
     def __dir__(self) -> List[str]: ...
@@ -20,8 +22,6 @@ class Enum:
 class IntEnum(int, Enum):
     value = ...  # type: int
 
-_T = TypeVar('_T')
-
 def unique(enumeration: _T) -> _T: ...
 
 if sys.version_info >= (3, 6):

From abfa7ac457110e37c2d92a94046789508bbd6be1 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@dropbox.com>
Date: Tue, 4 Apr 2017 10:13:33 -0700
Subject: [PATCH 2/2] Make EnumMeta inherit from type, not ABCMeta.

---
 stdlib/3.4/enum.pyi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/stdlib/3.4/enum.pyi b/stdlib/3.4/enum.pyi
index 44b7d6c73dea..4f27d33f2f08 100644
--- a/stdlib/3.4/enum.pyi
+++ b/stdlib/3.4/enum.pyi
@@ -1,10 +1,9 @@
-import abc
 import sys
 from typing import List, Any, TypeVar, Union, Iterable, Iterator, TypeVar, Generic, Type
 
 _T = TypeVar('_T', bound=Enum)
 
-class EnumMeta(abc.ABCMeta, Iterable[Enum]):
+class EnumMeta(type, Iterable[Enum]):
     def __iter__(self: Type[_T]) -> Iterator[_T]: ...  # type: ignore
 
 class Enum(metaclass=EnumMeta):